Shirt



FIG. 1 is a front perspective view of a shirt showing my new design;

FIG. 2 is a front perspective view of the shirt; and,

FIG. 3 is a rear perspective view of the shirt.

The dashed lines in FIGS. 1 and 3 showing a partial human figure illustrate the environment in which the article is used and do not form a part of the claimed design. The shading does not form a part of the claimed design. 

CLAIM The ornamental design for a shirt, as shown and described. 